David A. Stenzel, 32, was indicted for manslaughter, aggravated criminal operating under the influence of intoxicants, driving to endanger and criminal speeding.

Richard McKechnie Jr., 26, of Howland died on July 24 when the 2007 Dodge Ram truck Stenzel was driving at a high rate of speed left the road and struck a tree about 9:40 p.m., according to the Penobscot County Sheriff’s Office.

McKechnie was the son of Tammie and Richard B. McKechnie of Howland. He was described in an obituary printed in the Bangor Daily News as an avid outdoorsman who “loved to have a good time.”

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Christopher Vainio, 25, of Enfield and Stenzel were injured seriously in the accident.

Stenzel’s blood alcohol level was 0.15 percent, or nearly twice the legal limit of 0.08, according to the Penobscot County district attorney’s office.

If convicted, Stenzel faces up to 30 years in prison on the most serious charge of manslaughter.